CA-ENEVATE-CORPORATION

Enevate Unveils New HD-Energy® Technology Details at the 33rd International Battery Seminar

Dr.
Benjamin Park
, Enevate
Corporation’s
Founder and Chief Technology Officer, discussed
technical details behind the company’s HD-Energy
Technology
at this week’s 33rd
International Battery
Seminar in Ft. Lauderdale, Florida. Dr. Park disclosed the technology
and benefits of Enevate’s new silicon-dominant Li-ion battery
innovations overcoming the obstacles of other and more traditional
silicon approaches. Unlike graphite-dominant anodes that only include a
small percentage of silicon-containing additive, Enevate is
manufacturing silicon-dominant anodes as a proprietary active material
film with over 70 percent silicon content.

“It’s exciting to see what started off as an anode technology mainly
targeting high energy density show additional benefits such as ultrafast
charging
. The unique properties of our developed silicon-dominant
conductive active material film has led to additional benefits for
mobile users,” said Dr.
Park
. “For example, we have demonstrated ultrafast charging with 90
percent cell charge in 15 minutes and 50 percent in as little as 5
minutes, and benchmarks are showing between 35 percent to 50 percent
longer smartphone runtime.”

Enevate’s innovations, supported by 25 issued and pending patents, allow
for a silicon composite anode with a gravimetric energy density of about
2800 mAh/g and very high initial Coulombic efficiencies of 93 percent
for the anode and 90 percent for full cells, while controlling the
well-known issues associated with volumetric expansion and contraction.
The composite is comprised of carbon as a conductive matrix, silicon as
the main active material, and silicon-carbide as a nanometer-scale layer
protecting the silicon surface. In addition, Enevate technology is
compatible with current high-volume manufacturing processes, leading to
lower costs and providing the ability for use in existing form-factors.

Dr.
John Goodenough
, a key inventor of the modern Li-ion battery, said,
“Enevate is using a different technical approach for silicon anodes that
is truly unique and innovative to deliver both ultrafast charging and
high energy density. I‘m impressed that their technology and process is
practical, highly manufacturable, and has the potential to be
sufficiently inexpensive for high-volume mobile devices.”